The Tweekender: Why doctors don't use Twitter

With hundreds of millions of tweets per day, it’s impossible to follow everything happening on Twitter. Every Friday, the Daily Dot rounds up notable Twitter news and stories from the past week—in 140 characters or less.

Expanded tweets now have product information, photo galleries, and the option to link to things inside apps.

Here's a profile of Jason Goldman, a former Twitter product manager who helped build the community.

Stock traders can keep a closer eye on breaking news with tweets now showing on Bloomberg terminals.